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Finding the Fourth Proportional to 536,460.43, 740,303.49 and 291,438.86

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Solution

The fourth proportional to 536,460.43, 740,303.49 and 291,438.86 is: 402,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,460.43 : 740,303.49 = 291,438.86 : x
  2. Step 2: Convert to fraction form
    536,460.43/740,303.49 = 291,438.86/x
  3. Step 3: Cross multiply
    536,460.43x = 740,303.49 × 291,438.86
  4. Step 4: Simplify right side
    536,460.43x = 215,753,203,328.86
  5. Step 5: Solve for x
    x = 215,753,203,328.86/536,460.43
  6. Step 6: Final answer
    x = 402,179.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.